package com.lczyfz.campusinfo.modules.user.utils;

import java.util.Random;

public class RandomNum {
	/**
	 * 
	* @Title: creatRandomNum  
	* @Description: 创建四位数的随机数
	* @return
	 */
	public static String creatRandomNum(){
		Random rand = new Random();
		Integer randnum = rand.nextInt(9000)+1000;
		
		return randnum.toString();
	}
}
